public DataElement MoveTo(DataElementContainer newParent, int index)
{
// Locate any fixups so we can update them
// Move element
DataElement newElem;
DataElementContainer oldParent = this.parent;
string newName = this.name;
for (int i = 0; newParent.ContainsKey(newName); i++)
{
newName = this.name + "_" + i;
}
oldParent.RemoveAt(oldParent.IndexOf(this));
if (newName == this.name)
{
newElem = this;
}
else
{
newElem = this.Clone(newName);
this.ClearRelations();
}
newParent.Insert(index, newElem);
foreach (Relation relation in newElem.relations)
{
if (relation.Of == newElem)
{
relation.OfName = newElem.fullName;
}
if (relation.From == newElem)
{
relation.FromName = newElem.fullName;
}
}
return(newElem);
}
private DataElement MoveTo(DataElementContainer newParent, int index)
{
DataElementContainer oldParent = this.parent;
if (oldParent == newParent)
{
int oldIdx = oldParent.IndexOf(this);
oldParent.RemoveAt(oldIdx);
if (oldIdx < index)
{
--index;
}
newParent.Insert(index, this);
return(this);
}
string newName = this.name;
for (int i = 0; newParent.ContainsKey(newName); i++)
{
newName = this.name + "_" + i;
}
DataElement newElem;
if (newName == this.name)
{
newElem = this;
}
else
{
newElem = this.Clone(newName);
// We are "moving" the element, but doing so by cloning
// into a new element. The clone will duplicate relations
// that reach outside of the element tree, so we need to
// clean up all old relations that were inside
// the old element tree.
ClearBindings(true);
}
// Save off relations
var relations = newElem.relations.Of <Binding>().ToArray();
oldParent.RemoveAt(oldParent.IndexOf(this));
newParent.Insert(index, newElem);
// When an element is moved, the name can change.
// Additionally, the resolution algorithm might not
// be able to locate the proper element, so set
// the 'OfName' to the full name of the new element.
foreach (var rel in relations)
{
rel.OfName = newElem.fullName;
rel.Resolve();
}
return(newElem);
}
static void ApplyField(DataElementContainer model, string field, Variant value)
{
DataElement elem = model;
DataElementContainer container = model;
var names = field.Split('.');
for (int i = 0; i < names.Length; i++)
{
string name = names[i];
Match m = Regex.Match(name, @"(.*)\[(-?\d+)\]$");
if (m.Success)
{
name = m.Groups[1].Value;
int index = int.Parse(m.Groups[2].Value);
if (!container.ContainsKey(name))
{
throw new PeachException("Error, unable to resolve field \"" + field + "\" against \"" + model.fullName + "\".");
}
var array = container[name] as Array;
if (array == null)
{
throw new PeachException("Error, cannot use array index syntax on field name unless target element is an array. Field: " + field);
}
// Are we disabling this array?
if (index == -1)
{
if (array.minOccurs > 0)
{
throw new PeachException("Error, cannot set array to zero elements when minOccurs > 0. Field: " + field + " Element: " + array.fullName);
}
// Remove all children
array.Clear();
return;
}
if (array.maxOccurs != -1 && index > array.maxOccurs)
{
throw new PeachException("Error, index larger that maxOccurs. Field: " + field + " Element: " + array.fullName);
}
if (!array.hasExpanded && array.origionalElement == null)
{
array.origionalElement = array[0];
array.RemoveAt(0);
}
// Add elements upto our index
for (int x = array.Count; x <= index; x++)
{
string itemName = array.origionalElement.name + "_" + x;
var item = array.origionalElement.Clone(itemName);
array.Add(item);
}
array.hasExpanded = true;
elem = array[index];
container = elem as DataElementContainer;
}
else if (container is Choice)
{
elem = null;
var choice = container as Choice;
if (!choice.choiceElements.TryGetValue(name, out elem))
{
throw new PeachException("Error, unable to resolve field \"" + field + "\" against \"" + model.fullName + "\".");
}
container = elem as DataElementContainer;
choice.SelectedElement = elem;
}
else
{
if (!container.ContainsKey(name))
{
throw new PeachException("Error, unable to resolve field \"" + field + "\" against \"" + model.fullName + "\".");
}
elem = container[name];
container = elem as DataElementContainer;
}
}
if (!(elem is DataElementContainer))
{
elem.DefaultValue = value;
}
}
